25507195

素因数分解:

$5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 10780805

約数列:

[1, 5, 7, 35, 49, 107, 139, 245, 343, 535, 695, 749, 973, 1715, 3745, 4865, 5243, 6811, 14873, 26215, 34055, 36701, 47677, 74365, 104111, 183505, 238385, 520555, 728777, 3643885, 5101439, 25507195]

約数ペア:

[(1, 25507195), (5, 5101439), (7, 3643885), (35, 728777), (49, 520555), (107, 238385), (139, 183505), (245, 104111), (343, 74365), (535, 47677), (695, 36701), (749, 34055), (973, 26215), (1715, 14873), (3745, 6811), (4865, 5243)]